Dulles Airport, VA

1:24 AM EST on February 25, 2018 (GMT -0500)
Washington Dulles International

Weather History for KIAD - March, 2014

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Wednesday, March 19, 2014

  Actual Average Record
Temperature  
Mean Temperature 37 °F 45 °F  
Max Temperature 40 °F 57 °F 76 °F (2012)
Min Temperature 34 °F 34 °F 10 °F (1967)
Degree Days  
Heating Degree Days 28 20  
Month to date heating degree days 565 435  
Since 1 July heating degree days 4396 4025  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 34 °F    
Average Humidity 85    
Maximum Humidity 100    
Minimum Humidity 70    
Precipitation  
Precipitation 0.13 in 0.12 in 1.07 in (1975)
Month to date precipitation 1.76 1.93  
Year to date precipitation 8.26 7.35  
Snow  
Snow 0.00 in 0.00 in 1.50 in (1997)
Month to date snowfall 16.0 2.1  
Since 1 July snowfall 49.0 21.0  
Snow Depth 1.00 in    
Sea Level Pressure  
Sea Level Pressure 30.08 in    
Wind  
Wind Speed 4 mph (SSE)    
Max Wind Speed 13 mph    
Max Gust Speed 15 mph    
Visibility 4 miles    
Events Fog , Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Mar. 19, 2014 Rise Set
Actual Time 7:14 AM EDT 7:20 PM EDT
Civil Twilight 6:48 AM EDT 7:47 PM EDT
Nautical Twilight 6:17 AM EDT 8:18 PM EDT
Astronomical Twilight 5:45 AM EDT 8:50 PM EDT
Moon 10:35 PM EDT (3/19) 8:41 AM EDT (3/19)
Length of Visible Light 12h 59m
Length of Day
12h 05m
Waning Gibbous, 91% of the Moon is Illuminated
Mar 19
Waning Gibbous
Mar 23
Last Quarter
Mar 30
New
Apr 7
First Quarter
Apr 15
Full

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 36.0 °F - 26.1 °F 67% 30.21 in 10.0 mi Calm Calm - N/A   Overcast
1:52 AM 36.0 °F 32.1 °F 27.0 °F 70% 30.23 in 10.0 mi East 4.6 mph - N/A   Mostly Cloudy
2:52 AM 36.0 °F 33.3 °F 26.1 °F 67% 30.24 in 10.0 mi East 3.5 mph - N/A   Overcast
3:22 AM 35.6 °F 31.7 °F 26.6 °F 70% 30.22 in 10.0 mi Variable 4.6 mph - N/A   Overcast
3:52 AM 35.1 °F 32.2 °F 26.1 °F 70% 30.22 in 10.0 mi East 3.5 mph - N/A   Overcast
4:52 AM 35.1 °F 31.0 °F 27.0 °F 72% 30.23 in 10.0 mi East 4.6 mph - N/A   Overcast
5:52 AM 35.1 °F - 28.0 °F 76% 30.23 in 10.0 mi Calm Calm - N/A   Overcast
6:52 AM 34.0 °F 31.0 °F 28.0 °F 79% 30.22 in 10.0 mi East 3.5 mph - N/A   Overcast
7:52 AM 34.0 °F 29.8 °F 28.9 °F 82% 30.22 in 10.0 mi ENE 4.6 mph - N/A   Overcast
8:52 AM 34.0 °F 31.0 °F 30.0 °F 85% 30.22 in 9.0 mi Variable 3.5 mph - 0.00 in   Light Drizzle
9:52 AM 34.0 °F - 30.9 °F 89% 30.20 in 7.0 mi Calm Calm - 0.00 in   Overcast
10:16 AM 35.6 °F - 32.0 °F 87% 30.19 in 2.0 mi Calm Calm - 0.01 in Rain Light Rain
10:52 AM 36.0 °F - 34.0 °F 93% 30.19 in 2.0 mi Calm Calm - 0.02 in Rain Light Rain
10:54 AM 35.6 °F 32.8 °F 33.8 °F 93% 30.18 in 2.0 mi SE 3.5 mph - 0.00 in Rain Light Rain
11:13 AM 35.6 °F - 33.8 °F 93% 30.18 in 1.8 mi Calm Calm - 0.01 in Rain Light Rain
11:52 AM 37.0 °F - 35.1 °F 93% 30.16 in 1.8 mi Calm Calm - 0.04 in Rain Light Rain
12:07 PM 37.4 °F - 35.6 °F 93% 30.14 in 2.0 mi Calm Calm - 0.01 in Rain Light Rain
12:52 PM 37.0 °F - 36.0 °F 96% 30.14 in 1.8 mi Calm Calm - 0.02 in Rain Light Rain
12:59 PM 37.4 °F - 35.6 °F 93% 30.13 in 2.0 mi Calm Calm - 0.01 in Rain Light Rain
1:52 PM 37.9 °F 34.4 °F 37.0 °F 97% 30.09 in 2.0 mi SSE 4.6 mph - 0.02 in Rain Light Rain
2:52 PM 39.0 °F 36.8 °F 37.0 °F 93% 30.06 in 1.5 mi SW 3.5 mph - 0.01 in Rain Light Rain
3:20 PM 37.4 °F 34.9 °F 37.4 °F 100% 30.03 in 1.5 mi SSW 3.5 mph - 0.00 in   Overcast
3:52 PM 39.0 °F - 37.9 °F 96% 30.02 in 1.5 mi Calm Calm - 0.01 in   Overcast
4:52 PM 39.9 °F 36.7 °F 39.0 °F 97% 29.97 in 1.8 mi South 4.6 mph - 0.01 in   Overcast
5:00 PM 39.2 °F 35.0 °F 37.4 °F 93% 29.96 in 2.5 mi South 5.8 mph - N/A   Overcast
5:52 PM 39.9 °F 35.8 °F 39.0 °F 97% 29.95 in 2.5 mi SSE 5.8 mph - N/A   Overcast
6:21 PM 39.2 °F 35.9 °F 39.2 °F 100% 29.93 in 4.0 mi SE 4.6 mph - N/A   Overcast
6:52 PM 39.9 °F 35.8 °F 39.0 °F 97% 29.93 in 4.0 mi South 5.8 mph - N/A   Overcast
7:52 PM 39.9 °F 35.1 °F 39.0 °F 97% 29.91 in 6.0 mi South 6.9 mph - N/A   Overcast
8:44 PM 39.2 °F 34.2 °F 39.2 °F 100% 29.89 in 0.8 mi South 6.9 mph - N/A   Overcast
8:52 PM 39.9 °F 35.1 °F 39.0 °F 97% 29.90 in 0.8 mi SSW 6.9 mph - N/A   Overcast
9:23 PM 39.2 °F 35.0 °F 39.2 °F 100% 29.89 in 0.8 mi SSW 5.8 mph - N/A   Overcast
9:52 PM 39.9 °F 36.7 °F 39.0 °F 97% 29.89 in 0.5 mi SSW 4.6 mph - N/A Fog Fog
9:56 PM 39.2 °F 34.2 °F 39.2 °F 100% 29.89 in 2.0 mi SW 6.9 mph - N/A   Overcast
10:00 PM 39.2 °F 35.9 °F 39.2 °F 100% 29.89 in 0.5 mi SW 4.6 mph - N/A Fog Fog
10:52 PM 39.9 °F - 39.0 °F 97% 29.90 in 0.5 mi Calm Calm - 0.00 in Fog Light Drizzle
11:52 PM 39.9 °F 35.8 °F 39.9 °F 100% 29.87 in 0.5 mi South 5.8 mph - 0.00 in   Overcast